[1]蒋永峰,王 伟,冯宗泽,等.X70M大壁厚螺旋埋弧焊管丁字焊缝工艺性能研究[J].焊管,2016,39(7):27-30.[doi:10.19291/j.cnki.1001-3938.2016.07.006]
 JIANG Yongfeng,WANG Wei,FENG Zongze,et al.Investigation on the Technological Properties of X70M Thick Wall SAWH Pipe T-shape Weld[J].,2016,39(7):27-30.[doi:10.19291/j.cnki.1001-3938.2016.07.006]
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X70M大壁厚螺旋埋弧焊管丁字焊缝工艺性能研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第7期
页码:
27-30
栏目:
应用与开发
出版日期:
2016-07-28

文章信息/Info

Title:
Investigation on the Technological Properties of X70M Thick Wall
SAWH Pipe T-shape Weld
文章编号:
10.19291/j.cnki.1001-3938.2016.07.006
作者:
蒋永峰王 伟冯宗泽陆建刚任 超
江苏玉龙钢管股份有限公司,江苏 无锡 214183
Author(s):
JIANG Yongfeng WANG Wei FENG Zongze LU Jiangang REN Chao
Jiangsu Yulong Steel Pipe Co., Ltd., Wuxi 214183, Jiangsu, China
关键词:
螺旋埋弧焊管丁字焊缝焊接工艺成型工艺 X70M低合金钢
Keywords:
SAWH pipe T-shape weld welding process forming process X70M low alloy steel
分类号:
TG445
DOI:
10.19291/j.cnki.1001-3938.2016.07.006
文献标志码:
B
摘要:
X70M大壁厚螺旋埋弧焊管丁字焊缝焊接接头强度过高,经过成型器反变形易产生层状撕裂,焊缝热影响区温度过高易使焊缝组织产生脆化现象,为了确保X70M大壁厚螺旋埋弧焊管丁字焊缝焊接接头的各项性能指标,采用H08D焊丝与SJ101G焊剂匹配进行工艺试验,焊接过程中严格控制层间温度、减小焊接热输入及焊后热处理形式,通过试验得出了合理的焊接工艺。试验结果表明,按该工艺所焊试件的各项性能指标均达到API SPEC 5L PSL2标准及客户技术条件,采用此工艺已成功地生产了数万吨尼日利亚输油管线用管,效果良好。
Abstract:
If the welded joint strength of X70M thick wall SAWH pipe is too high, it is easy to generate backward deformation and lamellar tearing when pass through the forming machine, embrittlement phenomenon easily happen caused by too high HAZ temperature. In order to ensure the performance index of X70M thick wall SAWH pipe T-shape weld welded joints, using H08D welding wire matching with SJ101G flux to carry out process test, during the welding process strictly controlled interpass temperature, reduced the welding heat input and the form of heat treatment after welding, the reasonable welding process was obtained through experiments. The test result showed that all performance indexes of specimen by adopting the above process reach the standard API SPEC 5L PSL2 and customer technical conditions, it successfully produced tens of thousands of oil pipeline in Nigeria by adopting this technology, and the effect is good.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016-04-11
作者简介: 蒋永峰(1968—),大专学历,国际焊接工程师,主要从事螺旋埋弧焊焊接钢管成型焊接工艺技术研究及管理工作。
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